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Finding the Fourth Proportional to 6,945.62, 9,574.99 and 4,952.72

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Solution

The fourth proportional to 6,945.62, 9,574.99 and 4,952.72 is: 6,827.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.62 : 9,574.99 = 4,952.72 : x
  2. Step 2: Convert to fraction form
    6,945.62/9,574.99 = 4,952.72/x
  3. Step 3: Cross multiply
    6,945.62x = 9,574.99 × 4,952.72
  4. Step 4: Simplify right side
    6,945.62x = 47,422,184.22
  5. Step 5: Solve for x
    x = 47,422,184.22/6,945.62
  6. Step 6: Final answer
    x = 6,827.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.